Hello!

I decided to start working on getting Flex 4's Frameworks (MX and Spark) ported to Royale using OpenFL's Royale Support to replace Flash's Playerglobal for the JS Target inspired by https://joshblog.net/2021/adobe-flex-2-running-on-openfl-in-javascript-instead-of-swf/ to allow the full blown libraries to work in royale instead of the incomplete MXRoyale and SparkRoyale libs

I am opening this issue mainly to know if it would it desired that I submit this work to upstream (this repo) once in a working state?